GPHN and epilepsy: In humans, gephyrin dysfunction has a severe impact on neurotransmission and has been associated with various brain disorders, including epilepsy, Dravet‐like syndrome, epileptic encephalopathy, schizophrenia, and autism spectrum disorder (Dejanovic et al. 2014, 2015; Lionel et al. 2013; Macha, Liebsch, et al. 2022).